This is a discussion on Bluetooth Car Kit Wiring ? within the Interior Mods forums, part of the Tech & Modifying & General Repairs category; I have installed a Motorola BT Carkit (HF850). One of the wires can be attached to the stereo to send ...

Bluetooth Car Kit Wiring ?

I have installed a Motorola BT Carkit (HF850). One of the wires can be attached to the stereo to send the call through the car speakers. I need to find out which wire on the back of the stock unit I attach to.

I talked to one installer and he said to use an SRS capable test light and ,with the radio on, probe each wire until I hit a wire where the sound goes off, then hit it again and it goes on. Supposed to have something to do with switching from radio to CD.

you might wanna google for an adapter harness -- i had one for my tacoma: toyota to bt kit to alpine... plug and play, no splicing, hunting down wires etc. now... to find one for the wrx to bt kit to jvc...

DO you have an aftermarket radio? If you do then you are looking for the brown tele mute wire to turn off the radio and then you need to tap into the car speaker wires to send the output to the car speakers. On an aftermaret harness you are looking for green, purple, brown, and grey combinaitions for the speakers.
If you do not have an aftermarket deck the simplest thing to do is go buy an aftermarket wiring harness for your car, then you plug it in and look at which wire the brown tele mute wire is on the factory harness. You can also do the same thing with the speaker wires. It cost about 15 bucks, but it makes life a whole lot simpler.

I quit being lazy and got the information for the factory harness. This is the break down of the wires on the factory harness. This is all assuming that you have the factory deck, you might have to find another way to kill the deck because there is no tele mute for the factory deck.

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